TransAct BANKjet 1500, Operator'S Manual

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There are two Serial interface cards available. One is a 9-pin, D-shell connector. The pin-out is such that the printer
interfaces to a standard IBM PC Serial printer interface with a Serial Null Modem cable. The second Interface card
provides the same interface with a standard 25-pin D-shell connector. Both interface cards provide a dual cash
drawer interface. The tables below lists interface signals and pin definitions for both types of serial interfaces.
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The serial port features are as follows:
Baud Rates
300, 600, 1200, 2400, 4800, 9600, 19.2K, 38.4K, 57.6K, and 115.2K
Bit Patterns
8-bit no parity; 8-bit odd; 8-bit even; 7-bit no parity; 7-bit odd; 7-bit even
Flow Control
DTR and XON/XOFF
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Table 12 Serial Interface Pin Assignments
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The Serial Interface Meets EIA RS232 Interface Specifications:
Voltage Levels
Max +-15 Volts
Min +- 3 Volts
Mark = Off = -3 to –15 Volts
Space = On = +3 to +15 Volts
Because both the host and printer are DTE's (Data Terminal Equipment), they use the same serial port pin-outs. If
the cable that is used to connect the host to the printer is a pin-to-pin inter-connect, it will not work. Therefore, a
null modem or turn-around cable must be used to interconnect the host and the printer.
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The display pass through feature allows a pole display to be interconnected with the printer. The printer is
connected to a host system with a serial cable. The host sends serial data to the printer and the printer sends serial
data to the pole display. The printer does not provide power to the display. During normal printer operation, no
data is passed to the display. In pass through mode, all received data is passed on to the display.